About: http://webisa.webdatacommons.org/315070402

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Another type of user input device is cursor control unit 123, which may be a device such as a mouse or trackball, for communicating direction commands that control cursor movement on display 121.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk